Documentation/devicetree/bindings/pinctrl/qcom,qcm2290-pinctrl.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,qcm2290-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. QCM2290 TLMM block

maintainers:
  - Shawn Guo <shawn.guo@linaro.org>

description:
  This binding describes the Top Level Mode Multiplexer block found in the
  QCM2290 platform.

properties:
  compatible:
    const: qcom,qcm2290-tlmm

  reg:
    maxItems: 1

  interrupts:
    description: Specifies the TLMM summary IRQ
    maxItems: 1

  interrupt-controller: true

  '#interrupt-cells':
    description:
      Specifies the PIN numbers and Flags, as defined in defined in
      include/dt-bindings/interrupt-controller/irq.h
    const: 2

  gpio-controller: true

  '#gpio-cells':
    description: Specifying the pin number and flags, as defined in
      include/dt-bindings/gpio/gpio.h
    const: 2

  gpio-ranges:
    maxItems: 1

  wakeup-parent:
    maxItems: 1

#PIN CONFIGURATION NODES
patternProperties:
  '-state$':
    oneOf:
      - $ref: "#/$defs/qcom-qcm2290-tlmm-state"
      - patternProperties:
          ".*":
            $ref: "#/$defs/qcom-qcm2290-tlmm-state"

'$defs':
  qcom-qcm2290-tlmm-state:
    type: object
    description:
      Pinctrl node's client devices use subnodes for desired pin configuration.
      Client device subnodes use below standard properties.
    $ref: "qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state"

    properties:
      pins:
        description:
          List of gpio pins affected by the properties specified in this
          subnode.
        items:
          oneOf:
            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-1][0-9]|12[0-6])$"
            - enum: [ sdc1_rclk, sdc1_clk, sdc1_cmd, sdc1_data,
                      sdc2_clk, sdc2_cmd, sdc2_data ]
        minItems: 1
        maxItems: 36

      function:
        description:
          Specify the alternative function to be configured for the specified
          pins.

        enum: [ adsp_ext, agera_pll, atest, cam_mclk, cci_async, cci_i2c,
                cci_timer0, cci_timer1, cci_timer2, cci_timer3, char_exec,
                cri_trng, cri_trng0, cri_trng1, dac_calib, dbg_out, ddr_bist,
                ddr_pxi0, ddr_pxi1, ddr_pxi2, ddr_pxi3, gcc_gp1, gcc_gp2,
                gcc_gp3, gpio, gp_pdm0, gp_pdm1, gp_pdm2, gsm0_tx, gsm1_tx,
                jitter_bist, mdp_vsync, mdp_vsync_out_0, mdp_vsync_out_1,
                mpm_pwr, mss_lte, m_voc, nav_gpio, pa_indicator, pbs0, pbs1,
                pbs2, pbs3, pbs4, pbs5, pbs6, pbs7, pbs8, pbs9, pbs10, pbs11,
                pbs12, pbs13, pbs14, pbs15, pbs_out, phase_flag, pll_bist,
                pll_bypassnl, pll_reset, prng_rosc, pwm_0, pwm_1, pwm_2, pwm_3,
                pwm_4, pwm_5, pwm_6, pwm_7, pwm_8, pwm_9, qdss_cti, qdss_gpio,
                qup0, qup1, qup2, qup3, qup4, qup5, sdc1_tb, sdc2_tb, sd_write,
                ssbi_wtr1, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3, tsense_pwm,
                uim1_clk, uim1_data, uim1_present, uim1_reset, uim2_clk,
                uim2_data, uim2_present, uim2_reset, usb_phy, vfr_1,
                vsense_trigger, wlan1_adc0, wlan1_adc1 ]

      drive-strength:
        enum: [2, 4, 6, 8, 10, 12, 14, 16]
        default: 2
        description:
          Selects the drive strength for the specified pins, in mA.

      bias-pull-down: true

      bias-pull-up: true

      bias-disable: true

      output-high: true

      output-low: true

    required:
      - pins

    additionalProperties: false

allOf:
  - $ref: "pinctrl.yaml#"

required:
  - compatible
  - reg
  - interrupts
  - interrupt-controller
  - '#interrupt-cells'
  - gpio-controller
  - '#gpio-cells'
  - gpio-ranges

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    tlmm: pinctrl@500000 {
        compatible = "qcom,qcm2290-tlmm";
        reg = <0x500000 0x300000>;
        interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-ranges = <&tlmm 0 0 127>;

        sdc2_on_state: sdc2-on-state {
            clk {
                pins = "sdc2_clk";
                bias-disable;
                drive-strength = <16>;
            };

            cmd {
                pins = "sdc2_cmd";
                bias-pull-up;
                drive-strength = <10>;
            };

            data {
                pins = "sdc2_data";
                bias-pull-up;
                drive-strength = <10>;
            };
        };
    };